Portia and Scarlett Portia & Scarlett PS27070 Lace

Portia and Scarlett PS27070 Black front view long gown with strapless neckline, mermaid silhouette, boned corset bodice and sweep train, photographed on a model for prom

Portia and Scarlett PS27070 Strapless Lace Corset Mermaid Sweep Train Gown

$ 12,477

Size :

Color :

Black

Size :

Color :

Black

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Frequently Asked Questions

What makes Portia and Scarlett PS27070 different from other mermaid prom gowns?

Most mermaid prom gowns rely on sequins or heavy beading to make an impact. PS27070 takes a different approach: the drama comes entirely from structure and fit rather than surface embellishment. The lace illusion corset bodice has visible boning channels running through it, which gives the top a sculpted, architectural look that reads as sophisticated rather than flashy. The lace sits over a sheer underlayer, so you get texture and depth in the bodice without adding bulk or weight. The skirt is a smooth stretch fabric that stays close through the hips and thighs all the way to the knee, then fans out into a sweep train — a clean, uninterrupted silhouette from neckline to floor. That combination of a detailed lace top and a sleek bottom is not that common at the prom price point, and it photographs exceptionally well in both close-up and full-length shots. The lace-up corset closure at the back is another practical differentiator. Unlike a zipper, it can be tightened or loosened by a few inches on the day of the event, which is useful if your measurements sit between standard sizes or if your dress arrives slightly loose or slightly snug. The ruching at the hip transition is subtle but structural — it smooths the curve from waist to hip and reduces the risk of pulling or gaping at the widest point. Together, these construction details make PS27070 a more forgiving fit than most strapless mermaid styles. The color range is also broader than average. Black, Blue, Pink, and Yellow are all photographed in the composite image, so you can compare the actual shades rather than guessing from a swatch name. Each colorway reads distinctly in person — the Black is deep and matte, the Blue has a jewel-toned coolness, the Pink is warm and slightly dusty, and the Yellow is a full saturated statement shade. If you are choosing between PS27070 and another strapless mermaid, the deciding factors are usually the lace corset bodice (more structured and detailed than most), the adjustable lace-up back, and the cleaner skirt silhouette with no surface decoration below the waist.

What events and occasions is Portia and Scarlett PS27070 appropriate for?

PS27070 is built for fully formal occasions — the kind of event where a long, structured gown is expected or strongly appropriate. The most natural fits are prom, formal dances, galas, black-tie events, and formal evening affairs. The strapless lace corset silhouette is dramatic enough to read as event-worthy at any of those, and the sweep train adds length and movement that works well on ballroom floors and formal venues. For prom specifically, this style is a strong choice for someone who wants to stand out through fit and structure rather than heavy embellishment. The lace corset bodice is distinctive without being over-the-top, and the mermaid silhouette photographs beautifully in group shots and individual portraits. Black is the most versatile choice if you are coordinating with a group in mixed colors; a solid fashion color like Blue, Pink, or Yellow works well if you want your dress to be immediately recognizable in photos. For gala events and black-tie occasions, PS27070 works because it reads as polished and intentional rather than party-forward. The smooth skirt and structured bodice give it a more refined, editorial look than a heavily beaded or sequined gown. It is appropriate for charity galas, awards dinners, debutante events, formal performances, and similar occasions where the dress code calls for a long formal gown. As a wedding guest, this dress suits evening receptions and black-tie celebrations best; for daytime or traditional ceremonies, a more covered style is usually the better choice. It is also not suited to casual or semi-formal events where a floor-length structured mermaid would be out of place. If you are unsure whether the formality level matches your specific event, the Marlas Fashions concierge team is easy to reach — text or WhatsApp at +1 416-536-2956 or +1 213-868-3131, and they can help you decide whether PS27070 is the right call for your occasion.

How does the lace-up corset back closure work, and how much can it be adjusted?

The back of PS27070 has a full lace-up corset closure that runs the length of the bodice from the top edge down to where the skirt begins. It works the same way as a traditional corset: a ribbon or lace threads through a series of eyelets, and tightening or loosening the lace changes the circumference at the bust and waist. The adjustment range on a well-constructed corset back is typically two to three inches in each direction — so roughly four to six inches of total flexibility across the bodice. This is meaningful: if you are between standard sizes, you can often size to the larger measurement and take the lace-up closure in on the day of the event rather than committing to a rigid zipper size. If the dress arrives slightly looser than expected after ordering, the lace-up allows a tailor to adjust without touching the dress seams. The closure is at the back of the bodice, so it is not visible from the front — the lace corset detail visible from the front is the decorative lace illusion panel, not the functional closure.

Can a prom court, damas group, or bridal party all wear Portia and Scarlett PS27070 together?

Yes, PS27070 is a practical group option. Because it comes in four distinct colors — Black, Blue, Pink, and Yellow — a court or damas group can coordinate without wearing identical shades. A common approach is to put the honoree in one featured color (Black or a bold fashion shade) and assign the court members to the remaining colors, or to put the full group in the same color for a more uniform look. The dress style is identical across colorways, so the silhouette reads as a matched set in group photographs even when the colors differ. The mermaid silhouette and strapless corset bodice are consistent enough across body types to create a cohesive line when the group is standing together. For group orders, Marlas Fashions recommends contacting us early — group orders benefit from ordering all sizes together to ensure they come from the same production run and the colors are consistent across units.

Does Portia and Scarlett PS27070 run true to size, and how do I measure for the best fit?

Portia and Scarlett sizing generally runs close to standard US formal wear sizing, but mermaid gowns are cut to fit closely through the hip and thigh, which means the hip measurement is the most important number to get right. Measure your bust at the fullest point, your natural waist, and your hips at the fullest point, then compare all three to the Portia and Scarlett size chart. If your measurements land in different sizes across the three, size to the largest measurement — particularly the hips on a mermaid silhouette. The lace-up corset back provides some adjustment at the bust and waist, but the skirt itself is a fixed cut, so hips need to fit the size you order. If your measurements are borderline, contact the Marlas team before ordering and we can advise on which direction to go. Every PS27070 order is hand-inspected before shipping so the fit and finish arrive flawless. If you are between sizes on the PS27070, send our team your measurements before ordering and we will advise.

What undergarments work best with Portia and Scarlett PS27070, and does the bodice provide enough support?

The boned lace corset bodice on PS27070 is designed to be worn without a bra. The internal boning creates structure and lift, and the corset lace-up closure at the back allows the bodice to be fitted precisely to your measurements, which is what holds everything in place. For most wearers, the boning and corset closure together provide adequate support without additional undergarments. If you prefer extra coverage or security, a low-back adhesive bra or fashion tape can be used under the lace bodice without showing. For the skirt, seamless underwear or a thin slip in a matching shade works best — the stretch fabric can show lines through heavier undergarments. Spanx or compression shorts in a color close to your skin tone are a common choice for comfort and smoothness under a fitted mermaid skirt. Every PS27070 order is hand-inspected before shipping so the fit and finish arrive flawless. If you are between sizes on the PS27070, send our team your measurements before ordering and we will advise.

Can Portia and Scarlett PS27070 be hemmed or altered, and does it work for different heights?

PS27070 can be hemmed by any experienced formal wear tailor, though mermaid gowns with sweep trains require more care than a straight hem because the flare of the skirt needs to be preserved. A tailor will typically take the length from the top of the bodice or add an internal hem to the skirt without disrupting the mermaid flare. If you are petite, hemming is usually necessary — the sweep train is cut for a tall frame and will drag significantly on the floor for shorter wearers. For taller wearers, the sweep train may need no adjustment at all. Plan for alterations as part of your budget, particularly for hemming — formal mermaid gowns almost always require at least a hem adjustment. Order early enough to allow time for alterations before your event. Every PS27070 order is hand-inspected before shipping so the fit and finish arrive flawless. If you are between sizes on the PS27070, send our team your measurements before ordering and we will advise.

How do I store, pack, and care for Portia and Scarlett PS27070 after the event?

After wearing, hang PS27070 on a padded hanger rather than folding it — the lace bodice can crease if compressed for an extended period. For storage longer than a few weeks, a breathable garment bag (not plastic) keeps dust off without trapping moisture. If the dress needs cleaning after the event, take it to a dry cleaner experienced with formal gowns and lace fabrics — mention the lace corset bodice and the stretch skirt fabric so they can treat both components appropriately. For travel to the event, fold the skirt loosely with tissue paper inside the folds to minimize creasing, and keep the bodice as flat as possible. Most light creases in the skirt fabric will fall out if the dress is hung overnight before wearing. Avoid storing near direct heat or sunlight, which can affect both the lace and fashion colors like Pink and Yellow over time. Every PS27070 order is hand-inspected before shipping so the fit and finish arrive flawless. If you are between sizes on the PS27070, send our team your measurements before ordering and we will advise.

Portia and Scarlett PS27070 Strapless Lace Corset Mermaid Sweep Train Gown

About the Dress: Portia and Scarlett PS27070

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Portia and Scarlett · PS27070 Strapless Lace Corset Mermaid Sweep Train Gown

About the Dress: Portia and Scarlett PS27070

Fit & Silhouette

Fabric & Detail

Key Features

Style & Occasion

Your Dress — Delivered in Days, Not Weeks.

WE ACCEPT RETURNS!

ORDER CHANGES & CANCELLATIONS

Frequently Asked Questions

Get on the list

Price Match Guarantee

Easy Returns

Worldwide Shipping

Portia and Scarlett PS27070 Strapless Lace Corset Mermaid Sweep Train Gown

Easy
Returns

Worldwide
Shipping